Vendor things

third-party/vendor/bitflags/src/tests/all.rs

@@ -0,0 +1,23 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(1 | 1 << 1 | 1 << 2, TestFlags::all);
+
+    case(0, TestZero::all);
+
+    case(0, TestEmpty::all);
+
+    case(!0, TestExternal::all);
+}
+
+#[track_caller]
+fn case<T: Flags>(expected: T::Bits, inherent: impl FnOnce() -> T)
+where
+    <T as Flags>::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(expected, inherent().bits(), "T::all()");
+    assert_eq!(expected, T::all().bits(), "Flags::all()");
+}

third-party/vendor/bitflags/src/tests/bits.rs

@@ -0,0 +1,36 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(0, TestFlags::empty(), TestFlags::bits);
+
+    case(1, TestFlags::A, TestFlags::bits);
+    case(1 | 1 << 1 | 1 << 2, TestFlags::ABC, TestFlags::bits);
+
+    case(!0, TestFlags::from_bits_retain(u8::MAX), TestFlags::bits);
+    case(1 << 3, TestFlags::from_bits_retain(1 << 3), TestFlags::bits);
+
+    case(1 << 3, TestZero::from_bits_retain(1 << 3), TestZero::bits);
+
+    case(1 << 3, TestEmpty::from_bits_retain(1 << 3), TestEmpty::bits);
+
+    case(
+        1 << 4 | 1 << 6,
+        TestExternal::from_bits_retain(1 << 4 | 1 << 6),
+        TestExternal::bits,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug>(
+    expected: T::Bits,
+    value: T,
+    inherent: impl FnOnce(&T) -> T::Bits,
+) where
+    T::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(expected, inherent(&value), "{:?}.bits()", value);
+    assert_eq!(expected, Flags::bits(&value), "Flags::bits({:?})", value);
+}

third-party/vendor/bitflags/src/tests/complement.rs

@@ -0,0 +1,53 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(0, TestFlags::all(), TestFlags::complement);
+    case(0, TestFlags::from_bits_retain(!0), TestFlags::complement);
+
+    case(1 | 1 << 1, TestFlags::C, TestFlags::complement);
+    case(
+        1 | 1 << 1,
+        TestFlags::C | TestFlags::from_bits_retain(1 << 3),
+        TestFlags::complement,
+    );
+
+    case(
+        1 | 1 << 1 | 1 << 2,
+        TestFlags::empty(),
+        TestFlags::complement,
+    );
+    case(
+        1 | 1 << 1 | 1 << 2,
+        TestFlags::from_bits_retain(1 << 3),
+        TestFlags::complement,
+    );
+
+    case(0, TestZero::empty(), TestZero::complement);
+
+    case(0, TestEmpty::empty(), TestEmpty::complement);
+
+    case(1 << 2, TestOverlapping::AB, TestOverlapping::complement);
+
+    case(!0, TestExternal::empty(), TestExternal::complement);
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + std::ops::Not<Output = T> + Copy>(
+    expected: T::Bits,
+    value: T,
+    inherent: impl FnOnce(T) -> T,
+) where
+    T::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(expected, inherent(value).bits(), "{:?}.complement()", value);
+    assert_eq!(
+        expected,
+        Flags::complement(value).bits(),
+        "Flags::complement({:?})",
+        value
+    );
+    assert_eq!(expected, (!value).bits(), "!{:?}", value);
+}

third-party/vendor/bitflags/src/tests/contains.rs

@@ -0,0 +1,108 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::empty(),
+        &[
+            (TestFlags::empty(), true),
+            (TestFlags::A, false),
+            (TestFlags::B, false),
+            (TestFlags::C, false),
+            (TestFlags::from_bits_retain(1 << 3), false),
+        ],
+        TestFlags::contains,
+    );
+
+    case(
+        TestFlags::A,
+        &[
+            (TestFlags::empty(), true),
+            (TestFlags::A, true),
+            (TestFlags::B, false),
+            (TestFlags::C, false),
+            (TestFlags::ABC, false),
+            (TestFlags::from_bits_retain(1 << 3), false),
+            (TestFlags::from_bits_retain(1 | (1 << 3)), false),
+        ],
+        TestFlags::contains,
+    );
+
+    case(
+        TestFlags::ABC,
+        &[
+            (TestFlags::empty(), true),
+            (TestFlags::A, true),
+            (TestFlags::B, true),
+            (TestFlags::C, true),
+            (TestFlags::ABC, true),
+            (TestFlags::from_bits_retain(1 << 3), false),
+        ],
+        TestFlags::contains,
+    );
+
+    case(
+        TestFlags::from_bits_retain(1 << 3),
+        &[
+            (TestFlags::empty(), true),
+            (TestFlags::A, false),
+            (TestFlags::B, false),
+            (TestFlags::C, false),
+            (TestFlags::from_bits_retain(1 << 3), true),
+        ],
+        TestFlags::contains,
+    );
+
+    case(
+        TestZero::ZERO,
+        &[(TestZero::ZERO, true)],
+        TestZero::contains,
+    );
+
+    case(
+        TestOverlapping::AB,
+        &[
+            (TestOverlapping::AB, true),
+            (TestOverlapping::BC, false),
+            (TestOverlapping::from_bits_retain(1 << 1), true),
+        ],
+        TestOverlapping::contains,
+    );
+
+    case(
+        TestExternal::all(),
+        &[
+            (TestExternal::A, true),
+            (TestExternal::B, true),
+            (TestExternal::C, true),
+            (TestExternal::from_bits_retain(1 << 5 | 1 << 7), true),
+        ],
+        TestExternal::contains,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + Copy>(
+    value: T,
+    inputs: &[(T, bool)],
+    mut inherent: impl FnMut(&T, T) -> bool,
+) {
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            inherent(&value, *input),
+            "{:?}.contains({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            Flags::contains(&value, *input),
+            "Flags::contains({:?}, {:?})",
+            value,
+            input
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/difference.rs

@@ -0,0 +1,92 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::A | TestFlags::B,
+        &[
+            (TestFlags::A, 1 << 1),
+            (TestFlags::B, 1),
+            (TestFlags::from_bits_retain(1 << 3), 1 | 1 << 1),
+        ],
+        TestFlags::difference,
+    );
+
+    case(
+        TestFlags::from_bits_retain(1 | 1 << 3),
+        &[
+            (TestFlags::A, 1 << 3),
+            (TestFlags::from_bits_retain(1 << 3), 1),
+        ],
+        TestFlags::difference,
+    );
+
+    case(
+        TestExternal::from_bits_retain(!0),
+        &[(TestExternal::A, 0b1111_1110)],
+        TestExternal::difference,
+    );
+
+    assert_eq!(
+        0b1111_1110,
+        (TestExternal::from_bits_retain(!0) & !TestExternal::A).bits()
+    );
+
+    assert_eq!(
+        0b1111_1110,
+        (TestFlags::from_bits_retain(!0).difference(TestFlags::A)).bits()
+    );
+
+    // The `!` operator unsets bits that don't correspond to known flags
+    assert_eq!(
+        1 << 1 | 1 << 2,
+        (TestFlags::from_bits_retain(!0) & !TestFlags::A).bits()
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + std::ops::Sub<Output = T> + std::ops::SubAssign + Copy>(
+    value: T,
+    inputs: &[(T, T::Bits)],
+    mut inherent: impl FnMut(T, T) -> T,
+) where
+    T::Bits: std::fmt::Debug + PartialEq + Copy,
+{
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            inherent(value, *input).bits(),
+            "{:?}.difference({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            Flags::difference(value, *input).bits(),
+            "Flags::difference({:?}, {:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            (value - *input).bits(),
+            "{:?} - {:?}",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                value -= *input;
+                value
+            }
+            .bits(),
+            "{:?} -= {:?}",
+            value,
+            input,
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/empty.rs

@@ -0,0 +1,23 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(0, TestFlags::empty);
+
+    case(0, TestZero::empty);
+
+    case(0, TestEmpty::empty);
+
+    case(0, TestExternal::empty);
+}
+
+#[track_caller]
+fn case<T: Flags>(expected: T::Bits, inherent: impl FnOnce() -> T)
+where
+    <T as Flags>::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(expected, inherent().bits(), "T::empty()");
+    assert_eq!(expected, T::empty().bits(), "Flags::empty()");
+}

third-party/vendor/bitflags/src/tests/eq.rs

@@ -0,0 +1,10 @@
+use super::*;
+
+#[test]
+fn cases() {
+    assert_eq!(TestFlags::empty(), TestFlags::empty());
+    assert_eq!(TestFlags::all(), TestFlags::all());
+
+    assert!(TestFlags::from_bits_retain(1) < TestFlags::from_bits_retain(2));
+    assert!(TestFlags::from_bits_retain(2) > TestFlags::from_bits_retain(1));
+}

third-party/vendor/bitflags/src/tests/extend.rs

@@ -0,0 +1,42 @@
+use super::*;
+
+#[test]
+fn cases() {
+    let mut flags = TestFlags::empty();
+
+    flags.extend(TestFlags::A);
+
+    assert_eq!(TestFlags::A, flags);
+
+    flags.extend(TestFlags::A | TestFlags::B | TestFlags::C);
+
+    assert_eq!(TestFlags::ABC, flags);
+
+    flags.extend(TestFlags::from_bits_retain(1 << 5));
+
+    assert_eq!(TestFlags::ABC | TestFlags::from_bits_retain(1 << 5), flags);
+}
+
+mod external {
+    use super::*;
+
+    #[test]
+    fn cases() {
+        let mut flags = TestExternal::empty();
+
+        flags.extend(TestExternal::A);
+
+        assert_eq!(TestExternal::A, flags);
+
+        flags.extend(TestExternal::A | TestExternal::B | TestExternal::C);
+
+        assert_eq!(TestExternal::ABC, flags);
+
+        flags.extend(TestExternal::from_bits_retain(1 << 5));
+
+        assert_eq!(
+            TestExternal::ABC | TestExternal::from_bits_retain(1 << 5),
+            flags
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/flags.rs

@@ -0,0 +1,46 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    let flags = TestFlags::FLAGS
+        .iter()
+        .map(|flag| (flag.name(), flag.value().bits()))
+        .collect::<Vec<_>>();
+
+    assert_eq!(
+        vec![
+            ("A", 1u8),
+            ("B", 1 << 1),
+            ("C", 1 << 2),
+            ("ABC", 1 | 1 << 1 | 1 << 2),
+        ],
+        flags,
+    );
+
+    assert_eq!(0, TestEmpty::FLAGS.iter().count());
+}
+
+mod external {
+    use super::*;
+
+    #[test]
+    fn cases() {
+        let flags = TestExternal::FLAGS
+            .iter()
+            .map(|flag| (flag.name(), flag.value().bits()))
+            .collect::<Vec<_>>();
+
+        assert_eq!(
+            vec![
+                ("A", 1u8),
+                ("B", 1 << 1),
+                ("C", 1 << 2),
+                ("ABC", 1 | 1 << 1 | 1 << 2),
+                ("", !0),
+            ],
+            flags,
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/fmt.rs

@@ -0,0 +1,97 @@
+use super::*;
+
+#[test]
+fn cases() {
+    case(TestFlags::empty(), "TestFlags(0x0)", "0", "0", "0", "0");
+    case(TestFlags::A, "TestFlags(A)", "1", "1", "1", "1");
+    case(
+        TestFlags::all(),
+        "TestFlags(A | B | C)",
+        "7",
+        "7",
+        "7",
+        "111",
+    );
+    case(
+        TestFlags::from_bits_retain(1 << 3),
+        "TestFlags(0x8)",
+        "8",
+        "8",
+        "10",
+        "1000",
+    );
+    case(
+        TestFlags::A | TestFlags::from_bits_retain(1 << 3),
+        "TestFlags(A | 0x8)",
+        "9",
+        "9",
+        "11",
+        "1001",
+    );
+
+    case(TestZero::ZERO, "TestZero(0x0)", "0", "0", "0", "0");
+    case(
+        TestZero::ZERO | TestZero::from_bits_retain(1),
+        "TestZero(0x1)",
+        "1",
+        "1",
+        "1",
+        "1",
+    );
+
+    case(TestZeroOne::ONE, "TestZeroOne(ONE)", "1", "1", "1", "1");
+
+    case(
+        TestOverlapping::from_bits_retain(1 << 1),
+        "TestOverlapping(0x2)",
+        "2",
+        "2",
+        "2",
+        "10",
+    );
+
+    case(
+        TestExternal::from_bits_retain(1 | 1 << 1 | 1 << 3),
+        "TestExternal(A | B | 0x8)",
+        "B",
+        "b",
+        "13",
+        "1011",
+    );
+
+    case(
+        TestExternal::all(),
+        "TestExternal(A | B | C | 0xf8)",
+        "FF",
+        "ff",
+        "377",
+        "11111111",
+    );
+
+    case(
+        TestExternalFull::all(),
+        "TestExternalFull(0xff)",
+        "FF",
+        "ff",
+        "377",
+        "11111111",
+    );
+}
+
+#[track_caller]
+fn case<
+    T: std::fmt::Debug + std::fmt::UpperHex + std::fmt::LowerHex + std::fmt::Octal + std::fmt::Binary,
+>(
+    value: T,
+    debug: &str,
+    uhex: &str,
+    lhex: &str,
+    oct: &str,
+    bin: &str,
+) {
+    assert_eq!(debug, format!("{:?}", value));
+    assert_eq!(uhex, format!("{:X}", value));
+    assert_eq!(lhex, format!("{:x}", value));
+    assert_eq!(oct, format!("{:o}", value));
+    assert_eq!(bin, format!("{:b}", value));
+}

third-party/vendor/bitflags/src/tests/from_bits.rs

@@ -0,0 +1,45 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(Some(0), 0, TestFlags::from_bits);
+    case(Some(1), 1, TestFlags::from_bits);
+    case(
+        Some(1 | 1 << 1 | 1 << 2),
+        1 | 1 << 1 | 1 << 2,
+        TestFlags::from_bits,
+    );
+
+    case(None, 1 << 3, TestFlags::from_bits);
+    case(None, 1 | 1 << 3, TestFlags::from_bits);
+
+    case(Some(1 | 1 << 1), 1 | 1 << 1, TestOverlapping::from_bits);
+
+    case(Some(1 << 1), 1 << 1, TestOverlapping::from_bits);
+
+    case(Some(1 << 5), 1 << 5, TestExternal::from_bits);
+}
+
+#[track_caller]
+fn case<T: Flags>(
+    expected: Option<T::Bits>,
+    input: T::Bits,
+    inherent: impl FnOnce(T::Bits) -> Option<T>,
+) where
+    <T as Flags>::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(
+        expected,
+        inherent(input).map(|f| f.bits()),
+        "T::from_bits({:?})",
+        input
+    );
+    assert_eq!(
+        expected,
+        T::from_bits(input).map(|f| f.bits()),
+        "Flags::from_bits({:?})",
+        input
+    );
+}

third-party/vendor/bitflags/src/tests/from_bits_retain.rs

@@ -0,0 +1,38 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(0, TestFlags::from_bits_retain);
+    case(1, TestFlags::from_bits_retain);
+    case(1 | 1 << 1 | 1 << 2, TestFlags::from_bits_retain);
+
+    case(1 << 3, TestFlags::from_bits_retain);
+    case(1 | 1 << 3, TestFlags::from_bits_retain);
+
+    case(1 | 1 << 1, TestOverlapping::from_bits_retain);
+
+    case(1 << 1, TestOverlapping::from_bits_retain);
+
+    case(1 << 5, TestExternal::from_bits_retain);
+}
+
+#[track_caller]
+fn case<T: Flags>(input: T::Bits, inherent: impl FnOnce(T::Bits) -> T)
+where
+    <T as Flags>::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(
+        input,
+        inherent(input).bits(),
+        "T::from_bits_retain({:?})",
+        input
+    );
+    assert_eq!(
+        input,
+        T::from_bits_retain(input).bits(),
+        "Flags::from_bits_retain({:?})",
+        input
+    );
+}

third-party/vendor/bitflags/src/tests/from_bits_truncate.rs

@@ -0,0 +1,42 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(0, 0, TestFlags::from_bits_truncate);
+    case(1, 1, TestFlags::from_bits_truncate);
+    case(
+        1 | 1 << 1 | 1 << 2,
+        1 | 1 << 1 | 1 << 2,
+        TestFlags::from_bits_truncate,
+    );
+
+    case(0, 1 << 3, TestFlags::from_bits_truncate);
+    case(1, 1 | 1 << 3, TestFlags::from_bits_truncate);
+
+    case(1 | 1 << 1, 1 | 1 << 1, TestOverlapping::from_bits_truncate);
+
+    case(1 << 1, 1 << 1, TestOverlapping::from_bits_truncate);
+
+    case(1 << 5, 1 << 5, TestExternal::from_bits_truncate);
+}
+
+#[track_caller]
+fn case<T: Flags>(expected: T::Bits, input: T::Bits, inherent: impl FnOnce(T::Bits) -> T)
+where
+    <T as Flags>::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(
+        expected,
+        inherent(input).bits(),
+        "T::from_bits_truncate({:?})",
+        input
+    );
+    assert_eq!(
+        expected,
+        T::from_bits_truncate(input).bits(),
+        "Flags::from_bits_truncate({:?})",
+        input
+    );
+}

third-party/vendor/bitflags/src/tests/from_name.rs

@@ -0,0 +1,42 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(Some(1), "A", TestFlags::from_name);
+    case(Some(1 << 1), "B", TestFlags::from_name);
+    case(Some(1 | 1 << 1 | 1 << 2), "ABC", TestFlags::from_name);
+
+    case(None, "", TestFlags::from_name);
+    case(None, "a", TestFlags::from_name);
+    case(None, "0x1", TestFlags::from_name);
+    case(None, "A | B", TestFlags::from_name);
+
+    case(Some(0), "ZERO", TestZero::from_name);
+
+    case(Some(2), "二", TestUnicode::from_name);
+
+    case(None, "_", TestExternal::from_name);
+
+    case(None, "", TestExternal::from_name);
+}
+
+#[track_caller]
+fn case<T: Flags>(expected: Option<T::Bits>, input: &str, inherent: impl FnOnce(&str) -> Option<T>)
+where
+    <T as Flags>::Bits: std::fmt::Debug + PartialEq,
+{
+    assert_eq!(
+        expected,
+        inherent(input).map(|f| f.bits()),
+        "T::from_name({:?})",
+        input
+    );
+    assert_eq!(
+        expected,
+        T::from_name(input).map(|f| f.bits()),
+        "Flags::from_name({:?})",
+        input
+    );
+}

third-party/vendor/bitflags/src/tests/insert.rs

@@ -0,0 +1,91 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::empty(),
+        &[
+            (TestFlags::A, 1),
+            (TestFlags::A | TestFlags::B, 1 | 1 << 1),
+            (TestFlags::empty(), 0),
+            (TestFlags::from_bits_retain(1 << 3), 1 << 3),
+        ],
+        TestFlags::insert,
+        TestFlags::set,
+    );
+
+    case(
+        TestFlags::A,
+        &[
+            (TestFlags::A, 1),
+            (TestFlags::empty(), 1),
+            (TestFlags::B, 1 | 1 << 1),
+        ],
+        TestFlags::insert,
+        TestFlags::set,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + Copy>(
+    value: T,
+    inputs: &[(T, T::Bits)],
+    mut inherent_insert: impl FnMut(&mut T, T),
+    mut inherent_set: impl FnMut(&mut T, T, bool),
+) where
+    T::Bits: std::fmt::Debug + PartialEq + Copy,
+{
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                inherent_insert(&mut value, *input);
+                value
+            }
+            .bits(),
+            "{:?}.insert({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                Flags::insert(&mut value, *input);
+                value
+            }
+            .bits(),
+            "Flags::insert({:?}, {:?})",
+            value,
+            input
+        );
+
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                inherent_set(&mut value, *input, true);
+                value
+            }
+            .bits(),
+            "{:?}.set({:?}, true)",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                Flags::set(&mut value, *input, true);
+                value
+            }
+            .bits(),
+            "Flags::set({:?}, {:?}, true)",
+            value,
+            input
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/intersection.rs

@@ -0,0 +1,79 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::empty(),
+        &[(TestFlags::empty(), 0), (TestFlags::all(), 0)],
+        TestFlags::intersection,
+    );
+
+    case(
+        TestFlags::all(),
+        &[
+            (TestFlags::all(), 1 | 1 << 1 | 1 << 2),
+            (TestFlags::A, 1),
+            (TestFlags::from_bits_retain(1 << 3), 0),
+        ],
+        TestFlags::intersection,
+    );
+
+    case(
+        TestFlags::from_bits_retain(1 << 3),
+        &[(TestFlags::from_bits_retain(1 << 3), 1 << 3)],
+        TestFlags::intersection,
+    );
+
+    case(
+        TestOverlapping::AB,
+        &[(TestOverlapping::BC, 1 << 1)],
+        TestOverlapping::intersection,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + std::ops::BitAnd<Output = T> + std::ops::BitAndAssign + Copy>(
+    value: T,
+    inputs: &[(T, T::Bits)],
+    mut inherent: impl FnMut(T, T) -> T,
+) where
+    T::Bits: std::fmt::Debug + PartialEq + Copy,
+{
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            inherent(value, *input).bits(),
+            "{:?}.intersection({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            Flags::intersection(value, *input).bits(),
+            "Flags::intersection({:?}, {:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            (value & *input).bits(),
+            "{:?} & {:?}",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                value &= *input;
+                value
+            }
+            .bits(),
+            "{:?} &= {:?}",
+            value,
+            input,
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/intersects.rs

@@ -0,0 +1,91 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::empty(),
+        &[
+            (TestFlags::empty(), false),
+            (TestFlags::A, false),
+            (TestFlags::B, false),
+            (TestFlags::C, false),
+            (TestFlags::from_bits_retain(1 << 3), false),
+        ],
+        TestFlags::intersects,
+    );
+
+    case(
+        TestFlags::A,
+        &[
+            (TestFlags::empty(), false),
+            (TestFlags::A, true),
+            (TestFlags::B, false),
+            (TestFlags::C, false),
+            (TestFlags::ABC, true),
+            (TestFlags::from_bits_retain(1 << 3), false),
+            (TestFlags::from_bits_retain(1 | (1 << 3)), true),
+        ],
+        TestFlags::intersects,
+    );
+
+    case(
+        TestFlags::ABC,
+        &[
+            (TestFlags::empty(), false),
+            (TestFlags::A, true),
+            (TestFlags::B, true),
+            (TestFlags::C, true),
+            (TestFlags::ABC, true),
+            (TestFlags::from_bits_retain(1 << 3), false),
+        ],
+        TestFlags::intersects,
+    );
+
+    case(
+        TestFlags::from_bits_retain(1 << 3),
+        &[
+            (TestFlags::empty(), false),
+            (TestFlags::A, false),
+            (TestFlags::B, false),
+            (TestFlags::C, false),
+            (TestFlags::from_bits_retain(1 << 3), true),
+        ],
+        TestFlags::intersects,
+    );
+
+    case(
+        TestOverlapping::AB,
+        &[
+            (TestOverlapping::AB, true),
+            (TestOverlapping::BC, true),
+            (TestOverlapping::from_bits_retain(1 << 1), true),
+        ],
+        TestOverlapping::intersects,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + Copy>(
+    value: T,
+    inputs: &[(T, bool)],
+    mut inherent: impl FnMut(&T, T) -> bool,
+) {
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            inherent(&value, *input),
+            "{:?}.intersects({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            Flags::intersects(&value, *input),
+            "Flags::intersects({:?}, {:?})",
+            value,
+            input
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/is_all.rs

@@ -0,0 +1,32 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(false, TestFlags::empty(), TestFlags::is_all);
+    case(false, TestFlags::A, TestFlags::is_all);
+
+    case(true, TestFlags::ABC, TestFlags::is_all);
+
+    case(
+        true,
+        TestFlags::ABC | TestFlags::from_bits_retain(1 << 3),
+        TestFlags::is_all,
+    );
+
+    case(true, TestZero::empty(), TestZero::is_all);
+
+    case(true, TestEmpty::empty(), TestEmpty::is_all);
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug>(expected: bool, value: T, inherent: impl FnOnce(&T) -> bool) {
+    assert_eq!(expected, inherent(&value), "{:?}.is_all()", value);
+    assert_eq!(
+        expected,
+        Flags::is_all(&value),
+        "Flags::is_all({:?})",
+        value
+    );
+}

third-party/vendor/bitflags/src/tests/is_empty.rs

@@ -0,0 +1,31 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(true, TestFlags::empty(), TestFlags::is_empty);
+
+    case(false, TestFlags::A, TestFlags::is_empty);
+    case(false, TestFlags::ABC, TestFlags::is_empty);
+    case(
+        false,
+        TestFlags::from_bits_retain(1 << 3),
+        TestFlags::is_empty,
+    );
+
+    case(true, TestZero::empty(), TestZero::is_empty);
+
+    case(true, TestEmpty::empty(), TestEmpty::is_empty);
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug>(expected: bool, value: T, inherent: impl FnOnce(&T) -> bool) {
+    assert_eq!(expected, inherent(&value), "{:?}.is_empty()", value);
+    assert_eq!(
+        expected,
+        Flags::is_empty(&value),
+        "Flags::is_empty({:?})",
+        value
+    );
+}

third-party/vendor/bitflags/src/tests/iter.rs

@@ -0,0 +1,209 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+#[cfg(not(miri))] // Very slow in miri
+fn roundtrip() {
+    for a in 0u8..=255 {
+        for b in 0u8..=255 {
+            let f = TestFlags::from_bits_retain(a | b);
+
+            assert_eq!(f, f.iter().collect::<TestFlags>());
+            assert_eq!(
+                TestFlags::from_bits_truncate(f.bits()),
+                f.iter_names().map(|(_, f)| f).collect::<TestFlags>()
+            );
+
+            let f = TestExternal::from_bits_retain(a | b);
+
+            assert_eq!(f, f.iter().collect::<TestExternal>());
+        }
+    }
+}
+
+mod collect {
+    use super::*;
+
+    #[test]
+    fn cases() {
+        assert_eq!(0, [].into_iter().collect::<TestFlags>().bits());
+
+        assert_eq!(1, [TestFlags::A,].into_iter().collect::<TestFlags>().bits());
+
+        assert_eq!(
+            1 | 1 << 1 | 1 << 2,
+            [TestFlags::A, TestFlags::B | TestFlags::C,]
+                .into_iter()
+                .collect::<TestFlags>()
+                .bits()
+        );
+
+        assert_eq!(
+            1 | 1 << 3,
+            [
+                TestFlags::from_bits_retain(1 << 3),
+                TestFlags::empty(),
+                TestFlags::A,
+            ]
+            .into_iter()
+            .collect::<TestFlags>()
+            .bits()
+        );
+
+        assert_eq!(
+            1 << 5 | 1 << 7,
+            [
+                TestExternal::empty(),
+                TestExternal::from_bits_retain(1 << 5),
+                TestExternal::from_bits_retain(1 << 7),
+            ]
+            .into_iter()
+            .collect::<TestExternal>()
+            .bits()
+        );
+    }
+}
+
+mod iter {
+    use super::*;
+
+    #[test]
+    fn cases() {
+        case(&[], TestFlags::empty(), TestFlags::iter);
+
+        case(&[1], TestFlags::A, TestFlags::iter);
+        case(&[1, 1 << 1], TestFlags::A | TestFlags::B, TestFlags::iter);
+        case(
+            &[1, 1 << 1, 1 << 3],
+            TestFlags::A | TestFlags::B | TestFlags::from_bits_retain(1 << 3),
+            TestFlags::iter,
+        );
+
+        case(&[1, 1 << 1, 1 << 2], TestFlags::ABC, TestFlags::iter);
+        case(
+            &[1, 1 << 1, 1 << 2, 1 << 3],
+            TestFlags::ABC | TestFlags::from_bits_retain(1 << 3),
+            TestFlags::iter,
+        );
+
+        case(
+            &[1 | 1 << 1 | 1 << 2],
+            TestFlagsInvert::ABC,
+            TestFlagsInvert::iter,
+        );
+
+        case(&[], TestZero::ZERO, TestZero::iter);
+
+        case(
+            &[1, 1 << 1, 1 << 2, 0b1111_1000],
+            TestExternal::all(),
+            TestExternal::iter,
+        );
+    }
+
+    #[track_caller]
+    fn case<T: Flags + std::fmt::Debug + IntoIterator<Item = T> + Copy>(
+        expected: &[T::Bits],
+        value: T,
+        inherent: impl FnOnce(&T) -> crate::iter::Iter<T>,
+    ) where
+        T::Bits: std::fmt::Debug + PartialEq,
+    {
+        assert_eq!(
+            expected,
+            inherent(&value).map(|f| f.bits()).collect::<Vec<_>>(),
+            "{:?}.iter()",
+            value
+        );
+        assert_eq!(
+            expected,
+            Flags::iter(&value).map(|f| f.bits()).collect::<Vec<_>>(),
+            "Flags::iter({:?})",
+            value
+        );
+        assert_eq!(
+            expected,
+            value.into_iter().map(|f| f.bits()).collect::<Vec<_>>(),
+            "{:?}.into_iter()",
+            value
+        );
+    }
+}
+
+mod iter_names {
+    use super::*;
+
+    #[test]
+    fn cases() {
+        case(&[], TestFlags::empty(), TestFlags::iter_names);
+
+        case(&[("A", 1)], TestFlags::A, TestFlags::iter_names);
+        case(
+            &[("A", 1), ("B", 1 << 1)],
+            TestFlags::A | TestFlags::B,
+            TestFlags::iter_names,
+        );
+        case(
+            &[("A", 1), ("B", 1 << 1)],
+            TestFlags::A | TestFlags::B | TestFlags::from_bits_retain(1 << 3),
+            TestFlags::iter_names,
+        );
+
+        case(
+            &[("A", 1), ("B", 1 << 1), ("C", 1 << 2)],
+            TestFlags::ABC,
+            TestFlags::iter_names,
+        );
+        case(
+            &[("A", 1), ("B", 1 << 1), ("C", 1 << 2)],
+            TestFlags::ABC | TestFlags::from_bits_retain(1 << 3),
+            TestFlags::iter_names,
+        );
+
+        case(
+            &[("ABC", 1 | 1 << 1 | 1 << 2)],
+            TestFlagsInvert::ABC,
+            TestFlagsInvert::iter_names,
+        );
+
+        case(&[], TestZero::ZERO, TestZero::iter_names);
+
+        case(
+            &[("A", 1)],
+            TestOverlappingFull::A,
+            TestOverlappingFull::iter_names,
+        );
+        case(
+            &[("A", 1), ("D", 1 << 1)],
+            TestOverlappingFull::A | TestOverlappingFull::D,
+            TestOverlappingFull::iter_names,
+        );
+    }
+
+    #[track_caller]
+    fn case<T: Flags + std::fmt::Debug>(
+        expected: &[(&'static str, T::Bits)],
+        value: T,
+        inherent: impl FnOnce(&T) -> crate::iter::IterNames<T>,
+    ) where
+        T::Bits: std::fmt::Debug + PartialEq,
+    {
+        assert_eq!(
+            expected,
+            inherent(&value)
+                .map(|(n, f)| (n, f.bits()))
+                .collect::<Vec<_>>(),
+            "{:?}.iter_names()",
+            value
+        );
+        assert_eq!(
+            expected,
+            Flags::iter_names(&value)
+                .map(|(n, f)| (n, f.bits()))
+                .collect::<Vec<_>>(),
+            "Flags::iter_names({:?})",
+            value
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/parser.rs

@@ -0,0 +1,116 @@
+use super::*;
+
+use crate::{
+    parser::{from_str, to_writer},
+    Flags,
+};
+
+#[test]
+#[cfg(not(miri))] // Very slow in miri
+fn roundtrip() {
+    let mut s = String::new();
+
+    for a in 0u8..=255 {
+        for b in 0u8..=255 {
+            let f = TestFlags::from_bits_retain(a | b);
+
+            s.clear();
+            to_writer(&f, &mut s).unwrap();
+
+            assert_eq!(f, from_str::<TestFlags>(&s).unwrap());
+        }
+    }
+}
+
+mod from_str {
+    use super::*;
+
+    #[test]
+    fn valid() {
+        assert_eq!(0, from_str::<TestFlags>("").unwrap().bits());
+
+        assert_eq!(1, from_str::<TestFlags>("A").unwrap().bits());
+        assert_eq!(1, from_str::<TestFlags>(" A ").unwrap().bits());
+        assert_eq!(
+            1 | 1 << 1 | 1 << 2,
+            from_str::<TestFlags>("A | B | C").unwrap().bits()
+        );
+        assert_eq!(
+            1 | 1 << 1 | 1 << 2,
+            from_str::<TestFlags>("A\n|\tB\r\n|   C ").unwrap().bits()
+        );
+        assert_eq!(
+            1 | 1 << 1 | 1 << 2,
+            from_str::<TestFlags>("A|B|C").unwrap().bits()
+        );
+
+        assert_eq!(1 << 3, from_str::<TestFlags>("0x8").unwrap().bits());
+        assert_eq!(1 | 1 << 3, from_str::<TestFlags>("A | 0x8").unwrap().bits());
+        assert_eq!(
+            1 | 1 << 1 | 1 << 3,
+            from_str::<TestFlags>("0x1 | 0x8 | B").unwrap().bits()
+        );
+
+        assert_eq!(
+            1 | 1 << 1,
+            from_str::<TestUnicode>("一 | 二").unwrap().bits()
+        );
+    }
+
+    #[test]
+    fn invalid() {
+        assert!(from_str::<TestFlags>("a")
+            .unwrap_err()
+            .to_string()
+            .starts_with("unrecognized named flag"));
+        assert!(from_str::<TestFlags>("A & B")
+            .unwrap_err()
+            .to_string()
+            .starts_with("unrecognized named flag"));
+
+        assert!(from_str::<TestFlags>("0xg")
+            .unwrap_err()
+            .to_string()
+            .starts_with("invalid hex flag"));
+        assert!(from_str::<TestFlags>("0xffffffffffff")
+            .unwrap_err()
+            .to_string()
+            .starts_with("invalid hex flag"));
+    }
+}
+
+mod to_writer {
+    use super::*;
+
+    #[test]
+    fn cases() {
+        assert_eq!("", write(TestFlags::empty()));
+        assert_eq!("A", write(TestFlags::A));
+        assert_eq!("A | B | C", write(TestFlags::all()));
+        assert_eq!("0x8", write(TestFlags::from_bits_retain(1 << 3)));
+        assert_eq!(
+            "A | 0x8",
+            write(TestFlags::A | TestFlags::from_bits_retain(1 << 3))
+        );
+
+        assert_eq!("", write(TestZero::ZERO));
+
+        assert_eq!("ABC", write(TestFlagsInvert::all()));
+
+        assert_eq!("A", write(TestOverlappingFull::C));
+        assert_eq!(
+            "A | D",
+            write(TestOverlappingFull::C | TestOverlappingFull::D)
+        );
+    }
+
+    fn write<F: Flags>(value: F) -> String
+    where
+        F::Bits: crate::parser::WriteHex,
+    {
+        let mut s = String::new();
+
+        to_writer(&value, &mut s).unwrap();
+        s
+    }
+}

third-party/vendor/bitflags/src/tests/remove.rs

@@ -0,0 +1,100 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::empty(),
+        &[
+            (TestFlags::A, 0),
+            (TestFlags::empty(), 0),
+            (TestFlags::from_bits_retain(1 << 3), 0),
+        ],
+        TestFlags::remove,
+        TestFlags::set,
+    );
+
+    case(
+        TestFlags::A,
+        &[
+            (TestFlags::A, 0),
+            (TestFlags::empty(), 1),
+            (TestFlags::B, 1),
+        ],
+        TestFlags::remove,
+        TestFlags::set,
+    );
+
+    case(
+        TestFlags::ABC,
+        &[
+            (TestFlags::A, 1 << 1 | 1 << 2),
+            (TestFlags::A | TestFlags::C, 1 << 1),
+        ],
+        TestFlags::remove,
+        TestFlags::set,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + Copy>(
+    value: T,
+    inputs: &[(T, T::Bits)],
+    mut inherent_remove: impl FnMut(&mut T, T),
+    mut inherent_set: impl FnMut(&mut T, T, bool),
+) where
+    T::Bits: std::fmt::Debug + PartialEq + Copy,
+{
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                inherent_remove(&mut value, *input);
+                value
+            }
+            .bits(),
+            "{:?}.remove({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                Flags::remove(&mut value, *input);
+                value
+            }
+            .bits(),
+            "Flags::remove({:?}, {:?})",
+            value,
+            input
+        );
+
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                inherent_set(&mut value, *input, false);
+                value
+            }
+            .bits(),
+            "{:?}.set({:?}, false)",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                Flags::set(&mut value, *input, false);
+                value
+            }
+            .bits(),
+            "Flags::set({:?}, {:?}, false)",
+            value,
+            input
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/symmetric_difference.rs

@@ -0,0 +1,110 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::empty(),
+        &[
+            (TestFlags::empty(), 0),
+            (TestFlags::all(), 1 | 1 << 1 | 1 << 2),
+            (TestFlags::from_bits_retain(1 << 3), 1 << 3),
+        ],
+        TestFlags::symmetric_difference,
+        TestFlags::toggle,
+    );
+
+    case(
+        TestFlags::A,
+        &[
+            (TestFlags::empty(), 1),
+            (TestFlags::A, 0),
+            (TestFlags::all(), 1 << 1 | 1 << 2),
+        ],
+        TestFlags::symmetric_difference,
+        TestFlags::toggle,
+    );
+
+    case(
+        TestFlags::A | TestFlags::B | TestFlags::from_bits_retain(1 << 3),
+        &[
+            (TestFlags::ABC, 1 << 2 | 1 << 3),
+            (TestFlags::from_bits_retain(1 << 3), 1 | 1 << 1),
+        ],
+        TestFlags::symmetric_difference,
+        TestFlags::toggle,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + std::ops::BitXor<Output = T> + std::ops::BitXorAssign + Copy>(
+    value: T,
+    inputs: &[(T, T::Bits)],
+    mut inherent_sym_diff: impl FnMut(T, T) -> T,
+    mut inherent_toggle: impl FnMut(&mut T, T),
+) where
+    T::Bits: std::fmt::Debug + PartialEq + Copy,
+{
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            inherent_sym_diff(value, *input).bits(),
+            "{:?}.symmetric_difference({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            Flags::symmetric_difference(value, *input).bits(),
+            "Flags::symmetric_difference({:?}, {:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            (value ^ *input).bits(),
+            "{:?} ^ {:?}",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                value ^= *input;
+                value
+            }
+            .bits(),
+            "{:?} ^= {:?}",
+            value,
+            input,
+        );
+
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                inherent_toggle(&mut value, *input);
+                value
+            }
+            .bits(),
+            "{:?}.toggle({:?})",
+            value,
+            input,
+        );
+
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                Flags::toggle(&mut value, *input);
+                value
+            }
+            .bits(),
+            "{:?}.toggle({:?})",
+            value,
+            input,
+        );
+    }
+}

third-party/vendor/bitflags/src/tests/union.rs

@@ -0,0 +1,71 @@
+use super::*;
+
+use crate::Flags;
+
+#[test]
+fn cases() {
+    case(
+        TestFlags::empty(),
+        &[
+            (TestFlags::A, 1),
+            (TestFlags::all(), 1 | 1 << 1 | 1 << 2),
+            (TestFlags::empty(), 0),
+            (TestFlags::from_bits_retain(1 << 3), 1 << 3),
+        ],
+        TestFlags::union,
+    );
+
+    case(
+        TestFlags::A | TestFlags::C,
+        &[
+            (TestFlags::A | TestFlags::B, 1 | 1 << 1 | 1 << 2),
+            (TestFlags::A, 1 | 1 << 2),
+        ],
+        TestFlags::union,
+    );
+}
+
+#[track_caller]
+fn case<T: Flags + std::fmt::Debug + std::ops::BitOr<Output = T> + std::ops::BitOrAssign + Copy>(
+    value: T,
+    inputs: &[(T, T::Bits)],
+    mut inherent: impl FnMut(T, T) -> T,
+) where
+    T::Bits: std::fmt::Debug + PartialEq + Copy,
+{
+    for (input, expected) in inputs {
+        assert_eq!(
+            *expected,
+            inherent(value, *input).bits(),
+            "{:?}.union({:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            Flags::union(value, *input).bits(),
+            "Flags::union({:?}, {:?})",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            (value | *input).bits(),
+            "{:?} | {:?}",
+            value,
+            input
+        );
+        assert_eq!(
+            *expected,
+            {
+                let mut value = value;
+                value |= *input;
+                value
+            }
+            .bits(),
+            "{:?} |= {:?}",
+            value,
+            input,
+        );
+    }
+}